Table 1.
Sample characteristics and group differences
| Total (n = 116) | Blacks (n = 51) | Whites (n = 65) | P | |
|---|---|---|---|---|
| Endothelin-1 (pg/ml) | 2.77 ± 0.83 | 2.82 ± 0.80 | 2.73 ± 0.85 | 0.55 |
| Discrimination | 2.9 ± 1.0 | 3.7 ± 0.6 | 2.3 ± 0.7 | <0.001 |
| SES (social index) | 37.0 ± 13.8 | 39.5 ± 13.6 | 35.1 ± 13.8 | 0.09 |
| Resting MAP (mm Hg) | 92 ± 11 | 95 ± 11 | 90 ± 10 | <0.05 |
| BMI (kg/m2) | 26.3 ± 5.2 | 28.7 ± 5.7 | 24.4 ± 3.9 | <0.001 |
| Social desirability | 18.1 ± 6.2 | 20.0 ± 6.2 | 16.7 ± 5.9 | <0.01 |
| LTEQ exercise | 1.9 ± 0.7 | 2.1 ± 0.7 | 1.7 ± 0.7 | <0.01 |
| Often (%) | 34% | 24% | 42% | |
| Sometimes (%) | 47% | 47% | 47% | |
| Rarely/never (%) | 19% | 29% | 11% | |
| Women (%) | 51% | 60% | 43% | 0.059 |
| Hypertensive (%) | 19% | 27% | 12% | <0.05 |
| Current smoker (%) | 16% | 18% | 14% | 0.58 |
| Age (years) | 36.5 ± 7.8 | 36.9 ± 8.2 | 36.1 ± 7.6 | 0.56 |
| eGFR (ml/min) | 111.8 ± 32.3 | 118.0 ± 38.0 | 105.3 ± 23.8 | 0.057 |
Data are raw scores shown as mean ± s.d., unless otherwise noted.
BMI, body mass index; eGFR, estimated glomerular filtration rate; LTEQ, Leisure Time Exercise Questionnaire; MAP, mean arterial pressure; SES, socioeconomic status.